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e;l--,u+=i[a++]<<w,w+=8}u>>>=U,w-=U,n.back+=U}if(u>>>=E,w-=E,n.back+=E,n.length=T,0===A){n.mode=26;break}if(32&A){n.back=-1,n.mode=v;break}if(64&A){e.msg="invalid literal/length code",n.mode=p;break}n.extra=15&A,n.mode=22;case 22:if(n.extra){for(P=n.extra;w<P;){if(0===l)break e;l--,u+=i[a++]<<w,w+=8}n.length+=u&(1<<n.extra)-1,u>>>=n.extra,w-=n.extra,n.back+=n.extra}n.was=n.length,n.mode=23;case 23:for(;A=(O=n.distcode[u&(1<<n.distbits)-1])>>>16&255,T=65535&O,!((E=O>>>24)<=w);){if(0===l)break e;l--,u+=i[a++]<<w,w+=8}if(0==(240&A)){for(U=E,S=A,I=T;A=(O=n.distcode[I+((u&(1<<U+S)-1)>>U)])>>>16&255,T=65535&O,!(U+(E=O>>>24)<=w);){if(0===l)break e;l--,u+=i[a++]<<w,w+=8}u>>>=U,w-=U,n.back+=U}if(u>>>=E,w-=E,n.back+=E,64&A){e.msg="invalid distance code",n.mode=p;break}n.offset=T,n.extra=15&A,n.mode=24;case 24:if(n.extra){for(P=n.extra;w<P;){if(0===l)break e;l--,u+=i[a++]<<w,w+=8}n.offset+=u&(1<<n.extra)-1,u>>>=n.extra,w-=n.extra,n.back+=n.extra}if(n.offset>n.dmax){e.msg="invalid distance too far 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